Home / 19,289.82-26,620.44-10,791.66

Finding the Fourth Proportional to 19,289.82, 26,620.44 and 10,791.66

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Solution

The fourth proportional to 19,289.82, 26,620.44 and 10,791.66 is: 14,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.82 : 26,620.44 = 10,791.66 : x
  2. Step 2: Convert to fraction form
    19,289.82/26,620.44 = 10,791.66/x
  3. Step 3: Cross multiply
    19,289.82x = 26,620.44 × 10,791.66
  4. Step 4: Simplify right side
    19,289.82x = 287,278,737.53
  5. Step 5: Solve for x
    x = 287,278,737.53/19,289.82
  6. Step 6: Final answer
    x = 14,892.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.